<script lang="ts" setup>
import {message} from 'ant-design-vue'
import {getDuration} from '~/api/rank'

// 请求卷王排行榜数据
const data = (await getDuration()).data

// 默认展示9个
let maxData = $ref(9)

// 当数据大于9条时可以滑动
const overflowY = computed(() => {
    return maxData <= 9 ? 'hidden' : 'scroll'
})

// 点击查看更多更新数据
const getData = computed(() => {
    if (!data) return
    // 将排行榜数据进行深拷贝
    const cloneData = JSON.parse(JSON.stringify(data))
    // 客户端时机执行toast
    if (process.client && maxData > 9) {
        message.success('加载成功，往下滚动')
    }
    return cloneData.splice(0, maxData)
})

// 查看更多按钮
const onMoreClick = function () {
    if (maxData >= data.length) {
        message.warn('没有更多的数据了')
    } else {
        maxData += 9
    }
}

// 格式化时长
const getMinuteHandle = function (_minute: number) {
    const hours = Math.floor(_minute / 60)
    const minute = _minute % 60
    return `${hours}小时${minute.toFixed(2)}分`
}

// 前三名的名次加颜色
const getRankColor = function (rank: number) {
    switch (rank) {
        case 1:
            return '#FF5353'
        case 2:
            return '#F6742E'
        case 3:
            return '#FFBC09'
        default:
            return '#333333'
    }
}
</script>

<template>
    <div style="box-shadow: 0px 0px 10px 0px #d5d5d5" rounded-10px h-653px>
        <a-card rounded-10px class="h-100%! w-284px" id="learn-rank-list">
            <template #title>
                <div flex flex-col>
                    <div flexb :style="{ padding: '0 24px 10px 24px' }">
                        <span>卷王排行榜</span>
                        <a-tag color="#a6aaae" w-70px h-24px text-center leading-22px text-12px rounded-5px>近七天
                        </a-tag>
                    </div>
                    <div text="#404040" flex items-center text-center text-14px p2 border-t b="#f0f0f0">
                        <span ml-4>排行</span>
                        <span ml-16>名称</span>
                        <span ml-16>学习时长</span>
                    </div>
                </div>
            </template>

            <div v-for="item, index in getData" mb-4 class="grid-item" ref="learnRankListData">
                <span text-24px text-center :style="{ color: getRankColor(index + 1) }">{{ index + 1 }}</span>
                <div flex items-center mr-2px relative>
                    <cdn-img w-36px h-36px rounded-full b="~ red" select-none :src="item.head_img"/>
                    <p h-17px text-12px ml-9px truncate :title="item.username">{{ item.username }}</p>
                </div>
                <span text-12px>{{ getMinuteHandle(item.minute) }}</span>
            </div>
            <button @click="onMoreClick" bg="#f2f2f2" text="center #555555" hover="bg-gray-100 text-gray-8"
                    rounded="br-10px bl-10px" class="btn text-14px p2 absolute bottom-0 cursor-pointer">
                查看更多
            </button>
        </a-card>
    </div>
</template>

<style lang="less" scoped>
:deep(.ant-card-head) {
    padding: 0;
}

:deep(.ant-card-head-title) {
    padding: 16px 0 0 0;
}

:deep(.ant-card-head-wrapper) {
    padding: 0;
    height: 100px;
    width: 284px;
}

:deep(.ant-card-body) {
    padding: 0;
    height: 505px;
    scroll-behavior: smooth;
    overflow-y: v-bind(overflowY);
}

:deep(.ant-table-measure-row) {
    height: 0;
}

.btn {
    width: 284px;
    height: 46px;
}

.grid-item {
    display: grid;
    grid-template-columns: 70px 120px 1fr;
    align-items: center;
    margin-bottom: 0;

    &:first-child {
        margin-top: 10px;
    }

    &:not(:first-child) {
        margin-top: 20px;
    }
}

.grid-item:end {
    margin-bottom: 24px;
}
</style>